From: Rodrigo Alencar <[email protected]>
Verify that chip_info pointer is not NULL. If a user binds the driver
using driver_override via sysfs with a device name not present in the
id_table or of_match_table, match data will be NULL.
Fixes: 0eb1728461a1 ("iio: dac: ad5686: drop enum id")
Reported-by: [email protected]
Closes: https://lore.kernel.org/all/[email protected]/
Signed-off-by: Rodrigo Alencar <[email protected]>
---
drivers/iio/dac/ad5686.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index 713fe71ad1e7..d34250647aa4 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -479,6 +479,9 @@ int ad5686_probe(struct device *dev,
struct iio_dev *indio_dev;
int ret, i;
+ if (!chip_info)
+ return -ENODEV;
+
indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
--
2.43.0
